The SEE bourse indices showed dynamic movement over the week. The BG40 index of the Bulgarian Stock Exchange (BSE) was the only index to register an average weekly growth of 0.32% and closed at 108.46 on May 18, 2012. The BET index of the Bucharest Stock Exchange (BVB) experienced the sharpest decrease of 1.52%. The Zagreb Stock Exchange’s (ZSE) CROBEX index went down by 0.57% and the BELEX15 index of the Belgrade Stock Exchange declined by 0.56%. The Istanbul Stock Exchange (ISE) National 100 index marked an average weekly decrease of 0.66% for its two trading sessions.